Tweaks.

index.html

@@ -33,8 +33,8 @@ <h2>What is PGXN?</h2>
           <p>PGXN, the PostgreSQL Extention network, is a central distribution system for open-source PostgreSQL extension libraries. In its first iteration it will consist of four basic parts:</p>
 
           <ul>
-            <li>A distribution upload server for extension developers.</li>
-            <li>A centralized, distributable index of distribution metadata.</li>
+            <li>An upload and distribution infrastructure for extension developers.</li>
+            <li>A centralized index and API of distribution metadata.</li>
             <li>A website for searching extensions and perusing their documentation.</li>
             <li>A command-line client for downloading, testing, and installing extensions.</li>
           </ul>